九、發明說明： 【發明所屬之技術領域】 本發明係關於一種電路板固定架及其雙馬達裝置 ' 與雙動葉風扇’尤其指一種搭配電路板固定架之雙動葉 ,-風扇6 · 、 " 【先前技術】 隨著科技的快速進步，電子產品也往輕薄短小的設 Φ 計發展。然而此類的電子產品，往往因電子元件的高度 密集，而產生大量的廢熱，如果無法及時的散去，輕則 造成短路，重則還會造成產品或資料的損毀。因此，散 熱裝置的使用，已經成為電子工業發展不可或缺的角色。 在諸多的散熱裝置中，風扇是一具極具有應用價值 之散熱裝置。然單一風扇有時因風量限制，常不足以驅 • 散電子產品的熱量，故會將多個風扇併用。習知上所使 用的雙動葉風扇，請參閱第i圖，第i圖係為習知一種 雙動葉風扇的示意圖。為了讓電路板141a、141b能夠設 置在底座13a、13b，設計上會讓電路板i41c、142c中 間具有一穿孔，使得底座13a、13b之軸管部15a、15b 得以穿設於其中，而讓電路板141a、141b得以順利設置 於底座13a、13b上。然而電路板14ia、14ib的有限面 積内需設置所有必要的電子元件，以符合散熱所需，往 往U成風扇設計上的困擾。除此之外，電子元件高度密 1322655 集的結果’ 一旦電路模，141a、141b上之局部區域散熱不 良時，往往造成電路板141a、141b容易損壞，必須要花 費許多時間來拆卸或者是更換整個雙動葉風扇丨，導致 使用者時間上的浪費與使用週期縮短，而造成經濟上的 浪費。 有鑑於此，如何提供一種可提高雙動葉風扇丨的使 用性，並有效的增加雙動葉風扇丨的使用週期與可靠 度，實為一重要課題。 【發明内容】 、 因此，為解決上述問題，本發明係提出一種具有電 路板固定架及其雙馬達裝置與雙動葉風扇，可以有效改 善1知雙動葉風扇電路板損壞之後不易更換，而導致時 3與費用上的浪費’讓雙動葉風扇更具有實用價值。 為了達到上述的目的，提出一種電路板固定架，設 ;第馬達與一第二馬達之間，第一馬達係具有一 ^電路板，第二馬達係具有一第二電路板。電路板固 疋架’包括-平板與·複數個支撐件，平板包括—第一表 與才目對之第二表面，支撐件係分別設置於平板之兩 、:且刀別突出於第-表面及第二表面。其中當第一馬 第：第二馬達組立時，突出於第一表面之支撐件係抵頂 板而突出於第二表面之支撐件係抵頂第二電 路板》 為了達到上述的目的，提出一種雙馬達裝置，包括 第一馬達、一第二馬達與一電路板固定架。第一馬達 係具有一第一電路板，第二馬達係具有一第二電路板， 電路板固定架設置於第一馬達與第二馬達之間，包括一 平板與複數個支撐件，平板包括一第一表面與一相對之 第一表面，支撐件係分別設置於平板之兩侧，且分別突 出於第一表面及第二表面。其中，當第一馬達與第二馬 達組立時’突出於第—表面之支樓件係抵頂第一電路 板而犬出於第二表面之支撐件係抵頂第二電路板。 馬了達到上述的目的，提出一種雙動葉風扇，包括 -第-動葉、一第二動葉、一第一馬達與一第二馬達， :-電路板固定架。第一馬達與第二馬達係分別驅動第 一動葉與第二動葉，電路板固定架係設置於第—馬達與 j馬達之間，包括—平板與複數個切件，平板包括 -第-表面與—相對之第二表面，支料Μ別設置於 平板之兩側，且分別突出於第—表面及第二表面。其中、， 第-馬達係具有―第—電路板’第二馬達係 電路板，當第-馬達與第二馬達組立時，突出於二 面之支撐件係抵頂第—電路板，而突出於第二 撐件係抵頂第二電路板。 之支 1322655 如上述之電路板固定架及其雙馬達裝置與雙動葉 風扇，位於平板之兩側之支撐件係為對稱設置，且分別 設置於平板兩側之邊緣處，其中平板與支撐件係一體成 型，材質係為一高分子聚合物，平板係為一圓形，且第 一電路板與第二電路板互為背向設置。 如上述之雙馬達裝置與雙動葉風扇，第一馬達與第 二馬達各具有一定子與一轉子，且每轉子係耦合於其對 應之定子’第-馬達與第二馬達係分別與其對應之第一 電路板與第二電路板電性連接。 如上述之雙動葉風扇，第一動葉與第二動葉旋轉時 係產生一氣流，雙動葉風扇更具有一第一殼體與一第二 Λ又體’第一殼體係容置第一馬達而第二殼體係容置第二 馬達’第-殼體與第二殼體各具有一第一底座與一第二 底座，第-底座與第二底座係分別藉由連接件與其對應 之第-殼體或第二殼瞿相連，而連接件係為肋條 '靜葉 或其它等效之結構。第—底座與第二底座係各具有至少 -通孔與至少一固定件，第一底座與第二底座以其對應 殼體知面距離-預定高度而共形成-容置空間可容 納電路板MU祕板與第二電路板。 上述之雙馬達裝置，係應用 之電子裝置，而該電子裝由馬達來驅動 色輪之光學裝置。為—雙動紫風扇或一含有 1322655 為讓本發明之上述和其他目的、特徵和優點能更明 顯易懂，下文特舉一較佳實施例，i配合所附圖式，作 詳細說明如下： 【實施方式】 請參閱第2圖，第2圖係為依照本發明較佳實施例 之一種雙動葉風扇示意圖。雙動葉風扇2，包括有二動 葉22a、22b、二馬達24a、24b與一電路板固定架26。 動葉22a、22b分別各以馬達24a、24b所驅動，馬達24a 係具有一電路板241a、一定子242§與一轉子243a，其 轉子243a與定子242a耦合，馬達24b係具有一電路板 241b、一定子242b與一轉子243b，其轉子243b與定子 242b耦合，電路板24a、24b係為互相背向設置，且電 路板固定架26設置在兩馬達24a、24b之間。 請同時參閱第3A圖與第3B圖，第3A圖係為第2 圖之電路板固定架與兩電路板示意圖。第3B圖係為另一 種電路板固定架與兩電路板之示意圖。電路板固定架26 包括有一平板261與複數個支撐件262a、262b，平板261 包括一第一表面261a與一相對之第二表面261b，而支 撐件262a、262b分別設置於平板261的兩側，且分別突 出於第一表面261a及第二表面261b。位於平板261兩 側之支撐件262a、262b係為對稱設置，並且設置在平板 9 «S3勝 261之邊緣處，而平板261與支撐件262a、262b是利用 以一體成型的方式，形成高分子聚合物材質的電路板固 定架26。平板261的形狀係為一圓形。當兩馬達24a、 24b組立時，突出於箏一表面261a之支撑件262a與第 二表面261b之支撐件262b能夠抵頂其對應之電路板 24a、24b。以第3A圖而言’支撐件262a、262b之頂部 係部分抵頂電路板241a、241b，然而本發明並不限定於 此，支撐件262a、262b亦可完全抵頂電路板241a、241b， 以達到穩固抵撐的效果，如第3B圖所示。 接著’請同時參閱第2圖與第4圖，第4圖係為第 2圖之雙動葉風扇之各組件之示意圖。雙動葉風扇2更 各具有一殼體21a、21b，殼體21a、21b各分別具有一 底座23a、23b，可以藉由複數個連接件27a、27b與其 對應之殼體21a、21b相連接，連接件27a、27b可為肋 條、靜葉或其它等效之結構。殼體21a、21b各分別容置 有馬達24a、24b。因此，當兩殼體21a、21b對組時， 底座23a、23b與其對應之殼體21a、21b —端面距離一 預定高度而共同形成一容置空間28,且電路板固定架26 與電路板241a、241b係共同置於此容置空間28中。 承上，電路板241a、241b被電路板固定架26上之 支撐件262a、262b與其對應底座23a、23b之一端固定 10 1322655 件231a、231b共同抵緊，而達到固定的功效。由於底座 23a、23b各具有至少一通孔29，電路板241a、241b可 以藉由通孔29來與其對應之馬達24a、24b電性連接， 而使馬達24a、24b分別驅動轉子243a、243b以相對於 Λ » 定子242a、242b運轉並進而帶動其對應之動葉22a、22b 旋轉，而產生一氣流。 承上所述，採用本發明之電路板241a、241b與電路 • 板固定架26之設置方式，當雙動葉風扇2的電路板 241a、241b損毀時，只需要簡單將電路板241a、241b 取出替換即可，而不需要拆解轉子243a、243b、定子 242a、242b等，不僅可以方便維修，還可節省成本支出。 電路板241a、241b被電路板固定架.26抵緊’故可以減 少電路板241a、241b在此雙動葉風扇2運作中因震動而 產生鬆脫的情況，提升雙動葉風扇2使用的可靠性。 ® 另外，請參閱第5圖，第5圖係為依照本發明較佳 實施例之另一種雙動葉風扇示意圖。與習知相較’本發 ·· 明之電路板241a、241b設置於容置空間38之内的設計’ ：' 可免去電路板341a、341b必須要穿孔才能設置的問題’ 故在設置相同數量的電子元件的條件下，電路板341a、 341b的面積可以縮小。因此，在雙動葉風扇3在不變動 殼體31a、31b大小之條件下，由於電路板341a、341b 11 税2655 體積的縮小，相對的輪轂321a'321b也可以隨之縮小， 如此一來，殼體31a:3lb之内的空間變大，能夠安置較 大導流面積的扇葉322a、322b，故可有效提升雙動葉風.， 扇3的風量。 然而本發明並不限制於此，例如雙馬達裝置，除了 可應用於包含有馬達24a、24b之雙動葉風扇2之外，亦 可應用於其它需由馬達24a、24b驅動旋轉之電子裝置， 如一含有色輪（color* wheel)之光學裝置等。 籲 以上所述僅為舉例性，而非為限制性者。任何未脫 離本發明之精神與範、’.而對其進行之等效修改或變 更，均應包含於後附之申請專利範圍中。 【圖式簡單說明】 第1圖係為習知一種雙動葉風扇的示意圖。 第2圖係為依照本發明較佳實施例之一種雙動葉風 φ 扇示意圖。 第3A圖係為第2圖之電路板固定架與兩電路板示 意圖。 第3B圖係為另一種電路板固定架與兩電路板之 意圖。 ' 圖。第4圖係為第2圖之雙動葉風扇之各組件之示意 第5圖係為依照本發明較佳實施例之另一種雙動葉 12 1322655 風扇示意圖。 【主要元件符號說明】 1、2、3 :雙動葉風扇 11a、lib、21a、21b、31a、31b :殼體 12a、12b、22a、22b :動葉 13a、13b、23a、23b :底座 14a、14b、24a、24b :馬達 141a、141b、241a、241b、341a、341b :電路板 142a、142b、242a 242b :定子 143a、143b、243a、243b :轉子 15a、15b :軸管部 17a、17b、27a、27b :連接件 231a、231b :固定件 26、36 :電路板固定架 261 :平板 261 a :第一表面 261b :第二表面 262a、262b :支撐部 28、38 :容置空間 、 29 :通孔 321a、321b :輪轂 322a、322b :扇葉 13IX. Description of the Invention: [Technical Field] The present invention relates to a circuit board holder and a dual-motor device 'and a double-blade fan', in particular to a double-action blade with a circuit board holder, - a fan 6 " [Prior Art] With the rapid advancement of technology, electronic products have also developed into thin, light and short devices. However, such electronic products often generate a large amount of waste heat due to the high density of electronic components. If they are not dissipated in time, they may cause a short circuit, and the product or data may be damaged. Therefore, the use of heat sinks has become an indispensable part of the electronics industry. Among many heat sinks, the fan is a heat sink with great application value. However, a single fan is sometimes not limited by the amount of air, so it is often not enough to dissipate the heat of the electronic product, so multiple fans will be used together. For the double-lobe fan used in the prior art, please refer to the i-th figure, which is a schematic diagram of a conventional double-blade fan. In order to allow the circuit boards 141a, 141b to be disposed on the bases 13a, 13b, the design has a perforation in the middle of the circuit boards i41c, 142c, so that the shaft tube portions 15a, 15b of the bases 13a, 13b can be inserted therein, and the circuit is allowed The plates 141a, 141b are smoothly placed on the bases 13a, 13b. However, all the necessary electronic components are required in the finite area of the circuit boards 14ia, 14ib to meet the heat dissipation requirements, and the U-fan design is often troubled. In addition, the result of the high density of the electronic components is 1,322,655. 'When the local area on the circuit molds 141a, 141b is poorly dissipated, the circuit boards 141a, 141b are often damaged, and it takes a lot of time to disassemble or replace the entire The double-blade fan 丨 causes a waste of user time and a shortened use period, resulting in economic waste. In view of this, it is an important subject to provide a method for improving the usability of the double-blade fan , and effectively increasing the service life and reliability of the double-blade fan 丨. SUMMARY OF THE INVENTION Therefore, in order to solve the above problems, the present invention provides a circuit board holder and a dual-motor device and a double-blade fan, which can effectively improve the damage of a known double-blade fan circuit board after being damaged. Leading to 3 and cost waste' makes the double-blade fan more practical. In order to achieve the above object, a circuit board holder is provided, between the first motor and a second motor, the first motor has a circuit board, and the second motor has a second circuit board. The circuit board solid truss 'includes - a flat plate and a plurality of support members, the flat plate includes - a first surface and a second surface opposite to each other, the support members are respectively disposed on the two sides of the flat plate: and the knife protrudes from the first surface And the second surface. Wherein when the first horse: the second motor is assembled, the support protruding from the first surface is against the top plate and the support protruding from the second surface is against the second circuit board. In order to achieve the above purpose, a double is proposed. The motor device includes a first motor, a second motor and a circuit board holder. The first motor has a first circuit board, and the second motor has a second circuit board. The circuit board holder is disposed between the first motor and the second motor, and includes a flat plate and a plurality of support members. The flat plate includes a The first surface and the opposite first surface are respectively disposed on the two sides of the flat plate and protrude from the first surface and the second surface, respectively. Wherein, when the first motor and the second motor are assembled, the support member protruding from the first surface abuts the first circuit board and the support member of the dog from the second surface abuts the second circuit board. In order to achieve the above object, a double-blade fan is proposed, which includes a first-moving blade, a second moving blade, a first motor and a second motor, and a circuit board holder. The first motor and the second motor drive the first moving blade and the second moving blade respectively, and the circuit board fixing frame is disposed between the first motor and the j motor, and includes a flat plate and a plurality of cutting pieces, and the flat plate includes a -first The surface and the opposite second surface are disposed on both sides of the flat plate and protrude from the first surface and the second surface, respectively. Wherein, the first motor has a "first circuit board" second motor system circuit board, and when the first motor and the second motor are assembled, the support members protruding from the two sides are abutted against the first circuit board, and protruded from The second support is against the second circuit board. The support board 1322655, such as the above-mentioned circuit board holder and its dual motor device and double-blade fan, the support members on both sides of the flat plate are symmetrically arranged, and are respectively disposed at the edges of both sides of the flat plate, wherein the flat plate and the support member The system is integrally formed, the material is a high polymer, the flat plate is a circular shape, and the first circuit board and the second circuit board are disposed opposite each other. The dual motor device and the double-blade fan as described above, the first motor and the second motor each have a stator and a rotor, and each rotor is coupled to its corresponding stator 'the first motor and the second motor system respectively corresponding thereto The first circuit board is electrically connected to the second circuit board. For the double-blade fan as described above, the first moving blade and the second moving blade rotate to generate an air flow, and the double-blade fan further has a first housing and a second housing and a first housing. a second motor housing and a second housing each having a first base and a second base, wherein the first base and the second base are respectively connected by a connecting member The first housing or the second housing is connected, and the connecting member is a rib 'stem leaf or other equivalent structure. The first base and the second base each have at least a through hole and at least one fixing member, and the first base and the second base are co-formed with their corresponding housing knowing distance-predetermined height-accommodating space for accommodating the circuit board MU The secret board and the second board. The above-described dual motor device is an electronic device to which the electronic device is mounted to drive the optical device of the color wheel. The above and other objects, features and advantages of the present invention will become more apparent and understood. [Embodiment] Please refer to FIG. 2, which is a schematic diagram of a double-blade fan according to a preferred embodiment of the present invention. The double-blade fan 2 includes two moving blades 22a, 22b, two motors 24a, 24b and a circuit board holder 26. The rotor blades 22a, 22b are respectively driven by motors 24a, 24b. The motor 24a has a circuit board 241a, a stator 242 § and a rotor 243a. The rotor 243a is coupled to the stator 242a. The motor 24b has a circuit board 241b. The stator 242b and a rotor 243b, the rotor 243b of which is coupled to the stator 242b, the circuit boards 24a, 24b are disposed opposite each other, and the circuit board holder 26 is disposed between the two motors 24a, 24b. Please also refer to Figures 3A and 3B. Figure 3A is a schematic diagram of the circuit board holder and the two circuit boards of Figure 2. Figure 3B is a schematic view of another circuit board holder and two circuit boards. The circuit board holder 26 includes a flat plate 261 and a plurality of supporting members 262a and 262b. The flat plate 261 includes a first surface 261a and an opposite second surface 261b, and the supporting members 262a and 262b are respectively disposed at two sides of the flat plate 261. And protruding from the first surface 261a and the second surface 261b, respectively. The support members 262a, 262b located on both sides of the flat plate 261 are symmetrically disposed, and are disposed at the edge of the flat plate 9 «S3 wins 261, and the flat plate 261 and the support members 262a, 262b are integrally formed to form a polymer polymerization. Board holder 26 of material material. The shape of the flat plate 261 is a circle. When the two motors 24a, 24b are assembled, the support member 262a protruding from the surface 261a of the kite and the support member 262b of the second surface 261b can abut against the corresponding circuit boards 24a, 24b. 4A, the top portions of the support members 262a, 262b are abutted against the circuit boards 241a, 241b. However, the present invention is not limited thereto, and the support members 262a, 262b may also completely abut the circuit boards 241a, 241b to Achieve a solid offset, as shown in Figure 3B. Next, please refer to Fig. 2 and Fig. 4 at the same time. Fig. 4 is a schematic view of the components of the double-blade fan of Fig. 2. The double-blade fan 2 further has a housing 21a, 21b, each of which has a base 23a, 23b, which can be connected to its corresponding housing 21a, 21b by a plurality of connecting members 27a, 27b. The connectors 27a, 27b can be ribs, vanes or other equivalent structures. The housings 21a, 21b each house a motor 24a, 24b. Therefore, when the two housings 21a, 21b are paired, the bases 23a, 23b and their corresponding housings 21a, 21b are at a predetermined height from each other to form an accommodation space 28, and the circuit board holder 26 and the circuit board 241a The 241b is commonly placed in the accommodating space 28. The circuit boards 241a, 241b are held together by the support members 262a, 262b on the circuit board holder 26 and the corresponding ends of the corresponding bases 23a, 23b, 10 1322655 pieces 231a, 231b, to achieve a fixed effect. Since the bases 23a, 23b each have at least one through hole 29, the circuit boards 241a, 241b can be electrically connected to their corresponding motors 24a, 24b by the through holes 29, so that the motors 24a, 24b respectively drive the rotors 243a, 243b relative to Λ » The stators 242a, 242b operate and thereby rotate their corresponding buckets 22a, 22b to create an air flow. As described above, with the circuit boards 241a, 241b and the circuit board holder 26 of the present invention, when the circuit boards 241a, 241b of the double-blade fan 2 are damaged, it is only necessary to simply take out the circuit boards 241a, 241b. It can be replaced without disassembling the rotors 243a, 243b, the stators 242a, 242b, etc., which not only facilitates maintenance but also saves cost. The circuit boards 241a, 241b are abutted by the circuit board holder . 26, so that the circuit board 241a, 241b can be loosened due to vibration during the operation of the double-blade fan 2, and the double-leaf fan 2 can be used reliably. Sex. In addition, please refer to FIG. 5, which is a schematic diagram of another double-blade fan according to a preferred embodiment of the present invention. Compared with the conventional design, the design of the circuit board 241a, 241b of the present invention is disposed in the accommodating space 38: "The problem that the circuit boards 341a, 341b must be punctured to be set" is eliminated. Under the condition of the electronic components, the area of the circuit boards 341a, 341b can be reduced. Therefore, under the condition that the double-blade fan 3 does not change the size of the casings 31a, 31b, the relative hubs 321a' 321b can be reduced by the reduction of the tax of the circuit boards 341a, 341b 11 by 2,655. The housing 31a: the space within 3 lb becomes large, and the blades 322a and 322b having a large flow guiding area can be disposed, so that the air volume of the double-moving wind and the fan 3 can be effectively improved. However, the present invention is not limited thereto. For example, the dual motor device can be applied to other electronic devices that need to be rotated by the motors 24a, 24b in addition to the double-blade fan 2 including the motors 24a, 24b. Such as an optical device containing a color wheel (color* wheel). The above description is for illustrative purposes only and is not a limitation. Any equivalent modifications or changes to the spirit and scope of the invention are intended to be included in the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view of a conventional double-lobe fan. Figure 2 is a schematic diagram of a double-moving wind φ fan in accordance with a preferred embodiment of the present invention. Fig. 3A is a schematic view of the circuit board holder and the two circuit boards of Fig. 2. Figure 3B is an illustration of another board holder and two boards. 'Figure. Figure 4 is a schematic view of the components of the double-blade fan of Figure 2. Figure 5 is a schematic view of another double-lobe 12 1322655 fan in accordance with a preferred embodiment of the present invention. [Description of main component symbols] 1, 2, 3: double-blade fan 11a, lib, 21a, 21b, 31a, 31b: housings 12a, 12b, 22a, 22b: moving blades 13a, 13b, 23a, 23b: base 14a 14b, 24a, 24b: motors 141a, 141b, 241a, 241b, 341a, 341b: circuit boards 142a, 142b, 242a 242b: stators 143a, 143b, 243a, 243b: rotors 15a, 15b: shaft tube portions 17a, 17b, 27a, 27b: connector 231a, 231b: fixing member 26, 36: circuit board holder 261: plate 261a: first surface 261b: second surface 262a, 262b: support portion 28, 38: accommodation space, 29: Through holes 321a, 321b: hubs 322a, 322b: fan blades 13